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PlantSnap
Plant Care
Adam's needle
(Yucca filamentosa)
Also Known As
Adam's needle, Common yucca, Yuccas, Spanish dagger
About This Plant
Yucca filamentosa is a flowering evergreen plant that belongs to the Asparagaceae family. It is native to the southeastern United States and is commonly known as Adam's needle, needle palm, and Spanish bayonet. It is a slow-growing plant that can grow up to 3-5 feet (0.9-1.5 meters) in height and 2-3 feet (0.6-0.9 meters) in width. The leaves are long and narrow with sharp tips and white thread-like fibers along the edges.
Plant Care Instructions
Outdoor Size Range
3-5 feet (0.9-1.5 meters) in height and 2-3 feet (0.6-0.9 meters) in width
Light Requirements
Yucca filamentosa prefers full sun to partial shade. It can tolerate some shade, but too much shade can lead to leggy growth and fewer flowers.
Humidity Needs
Yucca filamentosa can tolerate low humidity levels and does not require any additional humidity.
Fertilizing Schedule
This plant does not require much fertilizer. You can fertilize it once a year in the spring with a balanced fertilizer.
Pruning Guidelines
Yucca filamentosa does not require much pruning. You can remove the spent flower stalks and any dead or damaged leaves as needed.
Common Pests and Diseases
Yucca filamentosa is relatively pest-free, but it can be affected by scale insects and mealybugs. These pests can be treated with insecticidal soap or neem oil.
Indoor Size Range
Not suitable for indoor growing
Watering Schedule
This plant is drought-tolerant and prefers well-draining soil. Water it deeply once a week during the growing season, and reduce watering during the winter months.
Temperature Range
This plant can tolerate a wide range of temperatures, from hot and dry summers to cold and snowy winters. It is hardy in USDA zones 4-10.
Growing Season
Yucca filamentosa grows best in the spring and summer months.
Growing Difficulty Level
Yucca filamentosa is a relatively easy plant to grow. It is drought-tolerant and can tolerate a wide range of temperatures.
USDA Hardiness Zones
USDA hardiness zones 4-10
Did You Know?
The roots of Yucca filamentosa were traditionally used by Native Americans to make soap and shampoo.
